dts/ayaneo-pocket-s2: Add binned gpu clocks#3
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Limit the number of zones reclaimed in flush_space()'s RECLAIM_ZONES
state.
This prevents possibly long running reclaim sweeps to block other tasks in
the system, while the system is under pressure anyways, causing the
tasks to hang.
An example of this can be seen here, triggered by fstests generic/551:
generic/551 [ 27.042349] run fstests generic/551 at 2026-02-27 11:05:30
BTRFS: device fsid 78c16e29-20d9-4c8e-bc04-7ba431be38ff devid 1 transid 8 /dev/vdb (254:16) scanned by mount (806)
BTRFS info (device vdb): first mount of filesystem 78c16e29-20d9-4c8e-bc04-7ba431be38ff
BTRFS info (device vdb): using crc32c checksum algorithm
BTRFS info (device vdb): host-managed zoned block device /dev/vdb, 64 zones of 268435456 bytes
BTRFS info (device vdb): zoned mode enabled with zone size 268435456
BTRFS info (device vdb): checking UUID tree
BTRFS info (device vdb): enabling free space tree
INFO: task kworker/u38:1:90 blocked for more than 120 seconds.
Not tainted 7.0.0-rc1+ #345
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u38:1 state:D stack:0 pid:90 tgid:90 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound btrfs_async_reclaim_data_space
Call Trace:
<TASK>
__schedule+0x34f/0xe70
schedule+0x41/0x140
schedule_timeout+0xa3/0x110
? mark_held_locks+0x40/0x70
? lockdep_hardirqs_on_prepare+0xd8/0x1c0
? trace_hardirqs_on+0x18/0x100
? lockdep_hardirqs_on+0x84/0x130
? _raw_spin_unlock_irq+0x33/0x50
wait_for_completion+0xa4/0x150
? __flush_work+0x24c/0x550
__flush_work+0x339/0x550
? __pfx_wq_barrier_func+0x10/0x10
? wait_for_completion+0x39/0x150
flush_space+0x243/0x660
? find_held_lock+0x2b/0x80
? kvm_sched_clock_read+0x11/0x20
? local_clock_noinstr+0x17/0x110
? local_clock+0x15/0x30
? lock_release+0x1b7/0x4b0
do_async_reclaim_data_space+0xe8/0x160
btrfs_async_reclaim_data_space+0x19/0x30
process_one_work+0x20a/0x5f0
? lock_is_held_type+0xcd/0x130
worker_thread+0x1e2/0x3c0
? __pfx_worker_thread+0x10/0x10
kthread+0x103/0x150
? __pfx_kthread+0x10/0x10
ret_from_fork+0x20d/0x320
? __pfx_kthread+0x10/0x10
ret_from_fork_asm+0x1a/0x30
</TASK>
Showing all locks held in the system:
1 lock held by khungtaskd/67:
#0: ffffffff824d58e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x194
2 locks held by kworker/u38:1/90:
#0: ffff8881000aa158 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x3c4/0x5f0
#1: ffffc90000c17e58 ((work_completion)(&fs_info->async_data_reclaim_work)){+.+.}-{0:0}, at: process_one_work+0x1c0/0x5f0
5 locks held by kworker/u39:1/191:
#0: ffff8881000aa158 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x3c4/0x5f0
#1: ffffc90000dfbe58 ((work_completion)(&fs_info->reclaim_bgs_work)){+.+.}-{0:0}, at: process_one_work+0x1c0/0x5f0
#2: ffff888101da0420 (sb_writers#9){.+.+}-{0:0}, at: process_one_work+0x20a/0x5f0
#3: ffff88811040a648 (&fs_info->reclaim_bgs_lock){+.+.}-{4:4}, at: btrfs_reclaim_bgs_work+0x1de/0x770
#4: ffff888110408a18 (&fs_info->cleaner_mutex){+.+.}-{4:4}, at: btrfs_relocate_block_group+0x95a/0x20f0
1 lock held by aio-dio-write-v/980:
#0: ffff888110093008 (&sb->s_type->i_mutex_key#15){++++}-{4:4}, at: btrfs_inode_lock+0x51/0xb0
=============================================
To prevent these long running reclaims from blocking the system, only
reclaim 5 block_groups in the RECLAIM_ZONES state of flush_space(). Also
as these reclaims are now constrained, it opens up the use for a
synchronous call to brtfs_reclaim_block_groups(), eliminating the need
to place the reclaim task on a workqueue and then flushing the workqueue
again.
Reviewed-by: Boris Burkov <boris@bur.io>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
superna9999
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Tariq Toukan says: ==================== devlink: add per-port resource support This series by Or adds devlink per-port resource support: Currently, devlink resources are only available at the device level. However, some resources are inherently per-port, such as the maximum number of subfunctions (SFs) that can be created on a specific PF port. This limitation prevents user space from obtaining accurate per-port capacity information. This series adds infrastructure for per-port resources in devlink core and implements it in the mlx5 driver to expose the max_SFs resource on PF devlink ports. Patch #1 refactors resource functions to be generic Patch #2 adds port-level resource registration infrastructure Patch #3 registers SF resource on PF port representor in mlx5 Patch #4 adds devlink port resource registration to netdevsim for testing Patch #5 adds dump support for device-level resources Patch #6 includes port resources in the resource dump dumpit path Patch #7 adds port-specific option to resource dump doit path Patch #8 adds selftest for devlink port resource doit Patch #9 documents port-level resources and full dump Patch #10 adds resource scope filtering to resource dump Patch #11 adds selftest for resource dump and scope filter Patch #12 documents resource scope filtering ==================== Link: https://patch.msgid.link/20260407194107.148063-1-tariqt@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
superna9999
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…ernel/git/ath/ath Jeff Johnson says: ================== ath.git patches for v7.1 (PR #3) Add ath12k support for IPQ5424. And of course there is the usual set of cleanups and bug fixes touching the ath10k and ath12k drivers. ================== Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Straight up stolen from https://github.com/sunflower2333/linux. Adds the additional gpu clocks of the binned G3 chip variant.